Underhive Ash vs Gray Green

How close are they?

ΔE 5.0, very close: most people won’t see a difference side by side. Gray Green is more muted, cooler than Underhive Ash.

Can I use Gray Green instead of Underhive Ash?

Yes, for most jobs. Very close match (ΔE 5). Gray Green is more muted, cooler than Underhive Ash.

Can I use Underhive Ash instead of Gray Green?

The same difference applies the other way round: Underhive Ash is more saturated, warmer.

ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.